A tactile sensor based on magneto-sensitive elastomer to determine the position of an indentation

A tactile sensor based on magneto-sensitive elastomer to determine the position of an indentation

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In this paper, bostik mvp we investigate the capabilities of a tactile sensor based on magneto-sensitive elastomers (MSEs).The main feature of the sensor is the determination of the position of indentation.The principle is based on inductance measurements of multiple planar coils and a soft magneto-sensitive layer.The proposed prototype consists of a linear array of hexagonal coils with overlapping sections.

First, the results of the experiments are presented, which include a sampling of a sensor region with indentations of constant depth.Subsequently, we introduce a mathematical model based on the bell-shaped flux density distribution remtavares.com of a planar coil.This model consists of ellipse equations with three parameters and a polynomial fit for each parameter.Finally, solving the system of equations results in the determination of the x coordinate of the indentation.